<template>
    <div id="root">
        <div class="todo-container">
            <div class="todo-wrap">
                <MyHeader :addTodo="addTodo"></MyHeader>
                <MyList :todoS="todoS" :todoCheck="todoCheck" :deleteTodo="deleteTodo"></MyList>
                <MyFooter :todoS="todoS" :selectAllTodo="selectAllTodo" :clearDone="clearDone"></MyFooter> 
            </div>
        </div>
    </div>
  
</template>

<script>
    //引入School组件
    import MyFooter from   './components/MyFooter'
    import MyHeader from   './components/MyHeader'
    import MyList from   './components/MyList'
    export default {
        name: 'App',
        components: {
            MyFooter,
            MyHeader,
            MyList
        },
        data() {
            return {
                todoS: [
                    {id:"001", title: "吃饭", done: false},
                    {id:"002", title: "睡觉", done: true},
                    {id:"003", title: "打豆豆", done: false}
                ]
            }
        },
        methods: {
            //添加todo 
            addTodo(todoObj) {
                console.log(todoObj);
                this.todoS.unshift(todoObj);
            },
            //勾选或取消勾选todo
            todoCheck(id) {
                this.todoS.forEach((todo) => {
                    if (todo.id === id) {
                        todo.done = !todo.done;
                    }
                    // console.log(todo);
                });
            },
            //删除todo
            deleteTodo(id) {
                this.todoS = this.todoS.filter((todo) => {
                    return todo.id !== id;
                });
            },
            //全选或取消全选todo
            selectAllTodo(done) {
                this.todoS.forEach((todo) => {                    
                    todo.done = done;
                });
            },
            //清空已完成的todo
            clearDone() {
                this.todoS = this.todoS.filter((todo) => {
                    return !todo.done;
                });
            }
        }

    }
</script>

<style>
    /*base*/
    body {
        background: #fff;
    }

    .btn {
        display: inline-block;
        padding: 4px 12px;
        margin-bottom: 0;
        font-size: 14px;
        line-height: 20px;
        text-align: center;
        vertical-align: middle;
        cursor: pointer;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
        border-radius: 4px;
    }

    .btn-danger {
        color: #fff;
        background-color: #da4f49;
        border: 1px solid #bd362f;
    }

    .btn-danger:hover {
        color: #fff;
        background-color: #bd362f;
    }

    .btn:focus {
        outline: none;
    }

    .todo-container {
        width: 600px;
        margin: 0 auto;
    }
    .todo-container .todo-wrap {
        padding: 10px;
        border: 1px solid #ddd;
        border-radius: 5px;
    }
</style>